TEZNY vs. ATMU

Last updated Jun 25, 2026

TEZNY (Terna Rete Elettrica Nazionale) and ATMU (Atmus Filtration Technologies Inc.) are both stocks. TEZNY operates in Utilities - Regulated Electric (Utilities), while ATMU operates in Pollution & Treatment Controls (Industrials). Over the past 3 years, TEZNY returned 17.08%/yr vs 32.48%/yr for ATMU. At a 0.13 correlation, their price movements are largely independent.

Performance

TEZNY vs. ATMU - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Terna Rete Elettrica Nazionale (TEZNY) and Atmus Filtration Technologies Inc. (ATMU). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TEZNY achieves a 12.16% return, which is significantly higher than ATMU's -2.16% return.

TEZNY

• 1D: 0.61%
• 1M: 2.99%
• YTD: 12.16%
• 6M: 13.01%
• 1Y: 20.62%
• 3Y*: 17.08%
• 5Y*: 13.76%
• 10Y*: 12.67%

ATMU

• 1D: 1.08%
• 1M: 3.93%
• YTD: -2.16%
• 6M: -4.91%
• 1Y: 40.44%
• 3Y*: 32.48%
• 5Y*: —
• 10Y*: —

*Multi-year figures are annualized to reflect compound growth (CAGR)

TEZNY vs. ATMU - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
TEZNY Terna Rete Elettrica Nazionale	12.16%	41.68%	-1.56%	6.13%
ATMU Atmus Filtration Technologies Inc.	-2.16%	33.16%	67.28%	8.40%

Correlation

The correlation between TEZNY and ATMU is 0.12, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.12
Correlation (3Y) Calculated over the trailing 3-year period	0.14
Correlation (All Time) Calculated using the full available price history since May 26, 2023	0.13

Fundamentals

EPS TEZNY : €2.83 ATMU : $2.56
PE Ratio TEZNY : 10.84 ATMU : 19.82
PEG Ratio TEZNY : 1.42 ATMU : 3.56
PS Ratio TEZNY : 3.49 ATMU : 3.10
Total Revenue (TTM) TEZNY : €5.88B ATMU : $1.35B
Gross Profit (TTM) TEZNY : €4.06B ATMU : $529.00M
EBITDA (TTM) TEZNY : €4.73B ATMU : $334.60M

Return for Risk

TEZNY vs. ATMU — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

TEZNY

TEZNY Risk / Return Rank: 76
TEZNY Sharpe Ratio Rank: 78
TEZNY Sortino Ratio Rank: 71
TEZNY Omega Ratio Rank: 71
TEZNY Calmar Ratio Rank: 79
TEZNY Martin Ratio Rank: 81

ATMU

ATMU Risk / Return Rank: 72
ATMU Sharpe Ratio Rank: 76
ATMU Sortino Ratio Rank: 68
ATMU Omega Ratio Rank: 72
ATMU Calmar Ratio Rank: 69
ATMU Martin Ratio Rank: 73

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

TEZNY vs. ATMU - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Terna Rete Elettrica Nazionale (TEZNY) and Atmus Filtration Technologies Inc. (ATMU). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	TEZNY	ATMU	Difference
Sharpe ratio: Return per unit of total volatility	1.23	1.12	+0.11
Sortino ratio: Return per unit of downside risk	1.68	1.54	+0.14
Omega ratio: Gain probability vs. loss probability	1.22	1.22	-0.01
Calmar ratio: Return relative to maximum drawdown	2.21	1.34	+0.87
Martin ratio: Return relative to average drawdown	6.13	4.02	+2.11

TEZNY vs. ATMU - Sharpe Ratio Comparison

The current TEZNY Sharpe Ratio is 1.23, which is comparable to the ATMU Sharpe Ratio of 1.12. The chart below compares the historical Sharpe Ratios of TEZNY and ATMU, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

TEZNY vs. ATMU - Drawdown Comparison

The maximum TEZNY drawdown since its inception was -33.48%, which is greater than ATMU's maximum drawdown of -30.22%. Use the drawdown chart below to compare losses from any high point for TEZNY and ATMU.

Drawdown Indicators

	TEZNY	ATMU	Difference
Max Drawdown Largest peak-to-trough decline	-33.48%	-30.22%	-3.26%
Max Drawdown (1Y) Largest decline over 1 year	-9.35%	-30.22%	+20.87%
Max Drawdown (3Y) Largest decline over 3 years	-15.74%	-30.22%	+14.48%
Max Drawdown (5Y) Largest decline over 5 years	-33.48%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-33.48%	—	—
Current Drawdown Current decline from peak	-1.57%	-22.61%	+21.04%
Average Drawdown Average peak-to-trough decline	-6.42%	-8.79%	+2.37%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.37%	10.09%	-6.72%

Volatility

TEZNY vs. ATMU - Volatility Comparison

The current volatility for Terna Rete Elettrica Nazionale (TEZNY) is 4.16%, while Atmus Filtration Technologies Inc. (ATMU) has a volatility of 11.27%. This indicates that TEZNY experiences smaller price fluctuations and is considered to be less risky than ATMU based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TEZNY	ATMU	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.16%	11.27%	-7.11%
Volatility (6M) Calculated over the trailing 6-month period	13.53%	31.16%	-17.63%
Volatility (1Y) Calculated over the trailing 1-year period	16.90%	36.49%	-19.59%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	21.72%	34.46%	-12.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	23.96%	34.46%	-10.50%

Dividends

TEZNY vs. ATMU - Dividend Comparison

TEZNY's dividend yield for the trailing twelve months is around 3.95%, more than ATMU's 0.43% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
ATMU Atmus Filtration Technologies Inc.	0.43%	0.40%	0.26%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
TEZNY Terna Rete Elettrica Nazionale	3.95%	4.27%	4.68%	4.21%	4.22%	3.18%	2.97%	3.08%	3.08%	2.69%	6.50%	2.76%

Financials

Frequently Asked Questions

Can I hold both TEZNY and ATMU in my portfolio?

TEZNY and ATMU have a correlation of 0.12, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TEZNY or ATMU?

ATMU has higher volatility (11.27%) compared to TEZNY (4.16%). In terms of maximum drawdown, TEZNY dropped -33.48% vs ATMU's -30.22%.

Which has better risk-adjusted returns?

TEZNY currently has the higher Sharpe Ratio (1.23 vs 1.12), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.